Svartnod – prove a file existed, verified against my own Bitcoin node(svartnod.com)2 points·by swedoc·il y a 18 jours·0 commentssvartnod.comSvartnod – prove a file existed, verified against my own Bitcoin nodehttps://svartnod.com4 commentsPost comment[+]xunevega·il y a 17 jours[+]xunevega·il y a 18 jours[+]swedoc·il y a 18 jours[+]swedoc·il y a 18 jours